Home / 87,442,798.32-120,681,700.92-50,773,368.24

Finding the Fourth Proportional to 87,442,798.32, 120,681,700.92 and 50,773,368.24

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Solution

The fourth proportional to 87,442,798.32, 120,681,700.92 and 50,773,368.24 is: 70,073,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,442,798.32 : 120,681,700.92 = 50,773,368.24 : x
  2. Step 2: Convert to fraction form
    87,442,798.32/120,681,700.92 = 50,773,368.24/x
  3. Step 3: Cross multiply
    87,442,798.32x = 120,681,700.92 × 50,773,368.24
  4. Step 4: Simplify right side
    87,442,798.32x = 6,127,416,440,640,707
  5. Step 5: Solve for x
    x = 6,127,416,440,640,707/87,442,798.32
  6. Step 6: Final answer
    x = 70,073,425.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.